Section
760g,Pub. L. 93–159, § 18, as added Pub. L. 94–163, title IV, § 461,Dec. 22, 1975, 89 Stat. 955, provided for conversion of certain Presidential authority from mandatory to discretionary, for expiration of certain limitations, and for expiration, at midnight Sept. 30, 1981, of President’s authority to promulgate and amend any regulation or to issue any order under this chapter, but such expiration not to affect any action or pending proceedings, administrative, civil, or criminal, not finally determined on such date, nor any administrative, civil, or criminal action or proceeding, whether or not pending, based upon any act committed or liability incurred prior to such expiration date.